* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

input {
    font-family: sans-serif;
}

.container {
    position: relative;
    width: 100%;
    background-color: #fff;
    min-height: 100vh;
    overflow: hidden;
    font-size: 14px;
    font-family: sans-serif;
}

.panels-container {
    position: absolute;
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
}

.container:before {
    content: '';
    position: absolute;
    height: 2000px;
    width: 2000px;
    top: -10%;
    right: 48%;
    transform: translateY(-50%);
    background-image: linear-gradient(-45deg, #8a6eff 0%, #ad99fe 100%);
    transition: 1.8s ease-in-out;
    border-radius: 50%;
    z-index: 6;
}

.panel {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-around;
    text-align: center;
    z-index: 6;
}

.left-panel {
    pointer-events: all;
    padding: 42px 17% 28px 12%;
}

.right-panel {
    pointer-events: none;
    padding: 42px 12% 28px 17%;
}

.panel .content {
    color: #fff;
    transition: transform 0.9s ease-in-out;
    transition-delay: 0.6s;
}

.content h3 {
    font-weight: 600;
    line-height: 1;
    font-size: 22px;
}

.content p {
    padding: 10px 0;
}

.panel-btn {
    width: 130px;
    height: 41px;
    outline: none;
    border-radius: 49px;
    border: 2px solid #fff;
    color: #fff;
    text-transform: uppercase;
    font-weight: 600;
    cursor: pointer;
    transition: 0.5s;
    background: none;
    font-weight: 600;
}

.panel .image {
    width: 100%;
    transition: transform 1.1s ease-in-out;
    transition-delay: 0.4s;
}

.right-panel .image,
.right-panel .content {
    transform: translateX(800px);
}

.container.sign-up-mode:before {
    transform: translate(100%, -50%);
    right: 52%;
}

.container.sign-up-mode .left-panel .image,
.container.sign-up-mode .left-panel .content {
    transform: translateX(-800px);
}

.container.sign-up-mode .sign-in-up {
    left: 25%;
}

.container.sign-up-mode .sign-up-form {
    opacity: 1;
    z-index: 2;
}

.container.sign-up-mode .sign-in-form {
    opacity: 0;
    z-index: 1;
}

.container.sign-up-mode .right-panel .image,
.container.sign-up-mode .right-panel .content {
    transform: translateX(0%);
}

.container.sign-up-mode .left-panel {
    pointer-events: none;
}

.container.sign-up-mode .right-panel {
    pointer-events: all;
}

.forms-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.sign-in-up {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    left: 75%;
    width: 50%;
    transition: 1s 0.7s ease-in-out;
    display: grid;
    grid-template-columns: 1fr;
    z-index: 5;
}

.sign-in-form,
.sign-up-form {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 70px;
    transition: all 0.2s 0.7s;
    overflow: hidden;
    grid-column: 1 / span 1;
    grid-row: 1 / span 1;
}

.sign-up-form {
    opacity: 0;
    z-index: 1;
}

.sign-in-form {
    z-index: 2;
}

.form-title {
    font-size: 30px;
    color: #444;
    margin-bottom: 10px;
}

.form-input {
    max-width: 380px;
    width: 100%;
    background-color: #f0f0f0;
    margin: 10px 0;
    height: 55px;
    line-height: 55px;
    border-radius: 55px;
    display: grid;
    grid-template-columns: 15% 85%;
    padding: 0 6px;
    position: relative;
}

.form-input i {
    display: flex;
    justify-content: center;
    align-items: center;
    transition: 0.5s;
}

.form-input input {
    background: none;
    outline: none;
    border: none;
    line-height: 1;
    font-weight: 600;
    font-size: 16px;
    color: #333;
}

.form-input input::placeholder {
    color: #aaa;
    font-weight: 500;
}

.social-text {
    padding: 10px 0;
}

.social-media {
    display: flex;
    justify-content: center;
}

.social-link {
    margin: 0 4px;
    color: #333;
    text-decoration: none;
    transition: 0.3s;
}

.social-link:hover {
    color: #6c48ff;
}

.social-icon {
    width: 38px;
    height: 38px;
    vertical-align: -4px;
    fill: currentColor;
    overflow: hidden;
}

.form-btn {
    width: 150px;
    background-color: #8a6eff;
    border: none;
    outline: none;
    height: 49px;
    border-radius: 49px;
    color: #fff;
    text-transform: uppercase;
    font-weight: 600;
    margin: 10px 0;
    cursor: pointer;
    transition: 0.5s;
}

.form-btn:hover {
    background-color: #6c48ff;
}

@media (max-width: 870px) {
    .container {
        min-height: 760px;
        height: 100vh;
    }

    .container:before {
        width: 1500px;
        height: 1500px;
        transform: translateX(-50%);
        left: 30%;
        bottom: 68%;
        right: initial;
        top: initial;
        transition: 2s ease-in-out;
    }

    .panels-container {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 2fr 1fr;
    }

    .panel {
        flex-direction: row;
        justify-content: space-around;
        align-items: center;
        padding: 35px 8%;
        grid-column: 1 / span 1;
    }

    .right-panel {
        grid-row: 3 / span 1;
    }

    .left-panel {
        grid-row: 1 / span 1;
    }

    .panel .content {
        padding-right: 15%;
        transition: transform 0.9s ease-in-out;
        transition-delay: 0.8s;
    }

    .content h3 {
        font-size: 18px;
    }

    .content p {
        font-size: 12px;
        padding: 8px 0;
    }

    .panel-btn {
        width: 110px;
        height: 35px;
        font-size: 12px;
    }

    .panel .image {
        width: 200px;
        transition: transform 0.9s ease-in-out;
        transition-delay: 0.6s;
    }

    .container.sign-up-mode:before {
        transform: translate(-50%, 100%);
        bottom: 32%;
        right: initial;
    }

    .container.sign-up-mode .left-panel .image,
    .container.sign-up-mode .left-panel .content {
        transform: translateY(-300px);
    }

    .container.sign-up-mode .right-panel .image,
    .container.sign-up-mode .right-panel .content {
        transform: translateY(0px);
    }

    .right-panel .image,
    .right-panel .content {
        transform: translateY(300px);
    }

    .container.sign-up-mode .sign-in-up {
        top: 5%;
        transform: translate(-50%, 0);
    }

    .sign-in-up {
        width: 100%;
        top: 95%;
        transform: translate(-50%, -100%);
        transition: 1s 0.8s ease-in-out;
    }

    .sign-in-up,
    .container.sign-up-mode .sign-in-up {
        left: 50%;
    }
}

@media (max-width: 570px) {
    .container {
        padding: 20px;
    }

    .container:before {
        bottom: 72%;
        left: 50%;
    }

    .container.sign-up-mode:before {
        bottom: 28%;
        left: 50%;
    }

    .panel .content {
        padding: 8px 14px;
    }

    .panel .image {
        display: none;
    }

    .sign-in-form,
    .sign-up-form {
        padding: 0 22px;
    }
}